[Discuss-gnuradio] Warning::How can i calibrate HackRF one for frequency correction in DVB-T receiving?(Bad Receiving HackRF one reasons shared...)

Steps to reproduce

1.I had a HackRF one TX DVB-T,and a RX-DVBT with hackRF one, in receive it sucks .....
2.with rtl-sdr and vlc it can received DVB-T signal........but with hackrf one sucks

Expected behaviour

after some research i guess that oscillator hackrf one is not accurate .it can should be calibrate?
how we can calibrate hackrf one for different modulation....................

Actual behaviour

in real world i guess it can not calibrated in frequency.........

Version information

Operating system:
debian os , gnuradio 3.7.12,linux
why hackrf one not can received ? it has weakness in receiving? weak receiving can be related to ppm ?
please help, any idea??? it can be related ADC?HackRFone has poor receiving why?
i will soon share result.
best regards stackprogramer